linux-kernel - Re: [PATCH 01/12] target: Convert se_node_acl->device

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Message-ID: <20150513063555.GA21770@lst.de>
Date:	Wed, 13 May 2015 08:35:55 +0200
From:	Christoph Hellwig <hch@....de>
To:	"Nicholas A. Bellinger" <nab@...erainc.com>
Cc:	target-devel <target-devel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Hannes Reinecke <hare@...e.de>,
	Sagi Grimberg <sagig@...lanox.com>,
	Nicholas Bellinger <nab@...ux-iscsi.org>
Subject: Re: [PATCH 01/12] target: Convert se_node_acl->device_list[] to
	RCU hlist

Onemore comments from looking oer the RCU usage with all the patches
applied:

In core_get_se_deve_from_rtpi we dereference lun->lun_sep, so
either struct se_port needs to be switched to kfree_rcu,
or we need to mirror the rtpi value into the se_lun.
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